APPENDIX II, 



Plants collected at Penrissen. 



By H. N, Ridley. 



This collection, though a small one, contains a large pro- 

 portion of novelties, showing that a more complete botanical 

 survey would be well worth making*. The plants obtained are 

 of typical Bornean mountain flora facies, and most closely re- 

 semble the plants of Kina Balu in North East Borneo. 

 Souerila bomeensis Cogn. at 3,500 feet ; flowers white, stamens 

 yellow. 



,, ,, Var (?) A smaller plant nearly glabrous, common. 



Begonia bomeensis. A. D. 0, At 3,000 feet alt. 



Argostemma gracile Stapf. Mt. Seruru, a Peak of Penrissen, 4,500 

 feet. Only previously known from Mt. Kina Balu. 



Ophiorrhiza fibrillosa n. sp. 



Stem over a foot tall, rather stout, covered with short 

 scattered brown hairs. Leaves lanceolate acute at both ends 

 12 nerved, 4 inches longer less, 1-^ inch wide green and gla- 

 brous above glaucous beneath and nerves covered with red 

 hairs, petiole -J inch long covered with red hairs. Stipules 

 narrow divided into two branches each ending in subulate 

 fibrils, persistent \ inch long hairy. Cymes in terminal axils 

 much shorter than the leaves covered with red wool, about an 

 inch long. Flowers shortly petioled white, Calyx pustular 

 teeth short acute. Corolla tube dilate at base \ inch long, lobes 

 short oblong obtuse pustular. Stamens oblong obtuse, fila- 

 ments very short. Style slender, stigma broadly bilobed lobes 

 rounded. Fruit absent. At 4,000 feet, flowers white. 



Allied to O. subfalcifolia Miq. The stipules are peculiar in 

 being broken up into fibrils, and being persistent, and are 



